 I know how to tell the truth. Kelly Adler has one analyst's view. One of the goals for President Joe Biden was to prove critics wrong that say he's too old for a second term. The 81-year-old failed at that, says Chris Galdieri, who's a professor of political science at St. Anselm College. The danger for Biden there is age is voters' biggest concern about him, and there was nothing last night that would make you say, oh, wow, this guy is...